Method of controlling step switches
    1.
    发明授权
    Method of controlling step switches 有权
    控制步进开关的方法

    公开(公告)号:US06529858B1

    公开(公告)日:2003-03-04

    申请号:US09914189

    申请日:2001-08-23

    IPC分类号: G05F4147

    摘要: A method of controlling a step switch. From the measured values of current, voltage and phase angle at an electric drive motor during actuation of the step switch the individual picked-up active output is calculated. From the active output the corresponding torque at the drive motor is calculated. The torque in the step switch which is crucial for controlling is determined on the basis of the torque by using a specifically calculated transfer function. The transfer function is newly determined every time the switch is actuated, with the values of the preceding switch operation or the preceding switch operations being taken as a basis of the new calculation.

    摘要翻译: 一种控制步进开关的方法。 根据步进开关动作期间电动驱动电机的电流,电压和相位角的测量值,计算各个拾取有功输出。 从有效输出计算驱动电机的相应扭矩。 通过使用专门计算的传递函数,基于转矩来确定对于控制至关重要的步进开关中的转矩。 每次启动开关时,新确定传递功能,将前面的开关操作或先前开关操作的值作为新计算的依据。

    TRANSFORMER WITH ON-LOAD TAP CHANGER
    2.
    发明申请
    TRANSFORMER WITH ON-LOAD TAP CHANGER 有权
    带负载变压器的变压器更换

    公开(公告)号:US20140375407A1

    公开(公告)日:2014-12-25

    申请号:US14373043

    申请日:2013-01-15

    IPC分类号: H01F29/02 H01H9/00

    摘要: The invention relates to a transformer with a tap changer, wherein optionally the primary or secondary side can be regulated by the tap changer, and wherein, on the side of the transformer to be regulated, a main winding and at least one regulating winding, which is connectable by the tap changer, are provided. According to the invention, the main winding is divided into two main winding parts, and the at least one regulating winding and the tap changer (3) connecting the regulating winding are arranged electrically between the two main winding parts (1, 2).

    摘要翻译: 本发明涉及一种具有分接开关的变压器,其中可选地,主侧或次侧可由分接开关调节,并且其中,在要调节的变压器侧,主绕组和至少一个调节绕组 可通过分接开关连接。 根据本发明,主绕组被分成两个主绕组部分,并且连接调节绕组的至少一个调节绕组和分接开关(3)电连接在两个主绕组部分(1,2)之间。

    Method For Dehumidifying Air And Air Dehumidifier For Oil-Insulated Transformers, Reactance Coils And Step Switches
    3.
    发明申请
    Method For Dehumidifying Air And Air Dehumidifier For Oil-Insulated Transformers, Reactance Coils And Step Switches 有权
    绝缘变压器,电抗器线圈和步进开关的空气和空气除湿器除湿方法

    公开(公告)号:US20070199443A1

    公开(公告)日:2007-08-30

    申请号:US10576157

    申请日:2004-12-03

    IPC分类号: B01D46/46 B01D53/30 B01D53/02

    摘要: The invention relates to a method for dehumidifying air and to an air dehumidifier. To this end, a filter element is provided that is filled with granular material that can be regenerated by baking out. For effecting this baking out, a heating device is provided that is only actuated when both a humidity sensor indicates that a humidity limit value has been exceeded as well as a relative pressure sensor or a comparable technical means indicates that, at the moment, no flow toward the oil expansion tank is recorded.

    摘要翻译: 本发明涉及一种对空气和空气除湿器进行除湿的方法。 为此,提供一种填充有能够通过烘烤再生的颗粒材料的过滤元件。 为了实现这种烘烤,提供一种加热装置,其仅当湿度传感器指示已经超过湿度极限值以及相对压力传感器或相当的技术手段表示当时没有流动 朝向油压罐记录。

    TAP CHANGER
    4.
    发明申请
    TAP CHANGER 审中-公开

    公开(公告)号:US20140197816A1

    公开(公告)日:2014-07-17

    申请号:US13978717

    申请日:2012-01-30

    IPC分类号: G05F1/20

    摘要: The invention relates to a stepping switch for voltage control, comprising semiconductor switch elements on a variable transformer having associated regulating windings. The stepping switch has a modular design, wherein each module comprises a respective sub-winding of the regulating winding which can be activated or deactivated by semiconductor switch elements.

    摘要翻译: 本发明涉及一种用于电压控制的步进开关,包括具有相关调节绕组的可变变压器上的半导体开关元件。 步进开关具有模块化设计,其中每个模块包括可由半导体开关元件激活或去激活的调节绕组的相应次级绕组。

    TAP CHANGER
    5.
    发明申请
    TAP CHANGER 审中-公开

    公开(公告)号:US20140354390A1

    公开(公告)日:2014-12-04

    申请号:US13978810

    申请日:2012-02-06

    IPC分类号: H01F29/04

    摘要: The invention relates to a tap changer for voltage regulation, comprising semiconductor switch units (S1.1, . . . , S1.6; S2.1, . . . , S2.6) on a variable transformer having a regulating winding, wherein two parallel load branches (1, 2) are provided, in each of which several series-connected semiconductor switch units are arranged. Parts of the regulating winding (W1, W2, W3) and bridges (B1, B2) are provided alternately and run parallel between the two load branches, alternating such that by corresponding connection of the semiconductor switch units in both load branches, the parts of the regulating wiring can be operated arbitrarily in a subtractive and/or additive manner.

    摘要翻译: 本发明涉及一种用于电压调节的分接开关,包括在具有调节绕组的可变变压器上的半导体开关单元(S1.1,...,S1.6; S2.1,...,S2.6),其中 提供了两个平行的负载分支(1,2),其中布置有几个串联的半导体开关单元。 调节绕组(W1,W2,W3)和桥(B1,B2)的部分交替地设置并且平行于两个负载分支之间交替,使得通过两个负载分支中的半导体开关单元的相应连接, 调节布线可以以减法和/或加法的方式任意操作。

    Tap changing assembly for power transformer
    6.
    发明授权
    Tap changing assembly for power transformer 有权
    电动变压器分接组件

    公开(公告)号:US06965217B2

    公开(公告)日:2005-11-15

    申请号:US10790326

    申请日:2004-02-27

    IPC分类号: H01H9/16 G05F1/153

    CPC分类号: H01H9/168 H01H2009/0061

    摘要: A tap changing assembly for power transformers having vacuum interrupters each of which is associated with a radio interrogated surface wave sensor capable of detecting whether the respective vacuum interrupter opens circuit in a timely manner. The sensors are interrogated by an interrogating unit transmitting high-frequency signals to the sensors and associated with a monitoring circuit responsive to signals received by the interrogating unit for signalling the status of the vacuum interrupter.

    摘要翻译: 一种用于具有真空断路器的电力变压器的抽头变换组件,每个组件与能够检测各个真空断路器是否及时打开电路的无线电询问表面波传感器相关联。 传感器被询问单元询问,该询问单元响应于由询问单元接收的信号向传感器发送高频信号并与监视电路相关联,以用于发信号通知真空断续器的状态。

    Transformer with on-load tap changer
    7.
    发明授权
    Transformer with on-load tap changer 有权
    变压器带有有载分接开关

    公开(公告)号:US09123464B2

    公开(公告)日:2015-09-01

    申请号:US14373043

    申请日:2013-01-15

    摘要: The invention relates to a transformer with a tap changer, wherein optionally the primary or secondary side can be regulated by the tap changer, and wherein, on the side of the transformer to be regulated, a main winding and at least one regulating winding, which is connectable by the tap changer, are provided. According to the invention, the main winding is divided into two main winding parts, and the at least one regulating winding and the tap changer (3) connecting the regulating winding are arranged electrically between the two main winding parts (1, 2).

    摘要翻译: 本发明涉及一种具有分接开关的变压器,其中可选地,主侧或次侧可由分接开关调节,并且其中,在要调节的变压器侧,主绕组和至少一个调节绕组 可通过分接开关连接。 根据本发明,主绕组被分成两个主绕组部分,并且连接调节绕组的至少一个调节绕组和分接开关(3)电连接在两个主绕组部分(1,2)之间。

    Method for dehumidifying air and air dehumidifier for oil-insulated transformers, reactance coils and step switches
    8.
    发明授权
    Method for dehumidifying air and air dehumidifier for oil-insulated transformers, reactance coils and step switches 有权
    用于油绝缘变压器,电抗线圈和步进开关的空气和空气除湿机的除湿方法

    公开(公告)号:US07468091B2

    公开(公告)日:2008-12-23

    申请号:US10576157

    申请日:2004-12-03

    IPC分类号: H01F27/14 B01D53/26

    摘要: The invention relates to a method for dehumidifying air and to an air dehumidifier. To this end, a filter element is provided that is filled with granular material that can be regenerated by baking out. For effecting this baking out, a heating device is provided that is only actuated when both a humidity sensor indicates that a humidity limit value has been exceeded as well as a relative pressure sensor or a comparable technical means indicates that, at the moment, no flow toward the oil expansion tank is recorded.

    摘要翻译: 本发明涉及一种对空气和空气除湿器进行除湿的方法。 为此,提供一种填充有能够通过烘烤再生的颗粒材料的过滤元件。 为了实现这种烘烤,提供一种加热装置,其仅当湿度传感器指示已经超过湿度极限值以及相对压力传感器或相当的技术手段表示当时没有流动 朝向油压罐记录。

    Method of monitoring a tap selector
    9.
    发明授权
    Method of monitoring a tap selector 有权
    监控分接选择器的方法

    公开(公告)号:US06124726A

    公开(公告)日:2000-09-26

    申请号:US168008

    申请日:1998-10-07

    摘要: A tap selector for a power transformer switchable under load is monitored by detecting the effective values of current and voltage of the drive motor of the tap changer. The power is calculated and from that the instantaneous torque and the latter is compared with setpoint values either of the torque and position of the tap selector or in terms of characteristic segments of the torque versus time graph with normalized segments of a setpoint graph so that, with serious deviation an immediate shutdown of tap selector operations is ensured or information can be generated as to trends or the need for maintenance.

    摘要翻译: 通过检测分接开关的驱动电机的电流和电压的有效值来监控负载下可切换电源变压器的分接选择器。 计算功率,并从中将瞬时转矩和后者与分接选择器的转矩和位置之一或转矩对时间图的特征段与设定点图的归一化段进行比较, 严重偏差确保分接选择器操作立即关闭,或者可以根据趋势或维护需要生成信息。

    Method of monitoring a tap changer
    10.
    发明授权
    Method of monitoring a tap changer 有权
    监控分接开关的方法

    公开(公告)号:US6100674A

    公开(公告)日:2000-08-08

    申请号:US174566

    申请日:1998-10-16

    CPC分类号: H01H9/0005 H01H2009/0061

    摘要: A method of monitoring a tap changer in which measured values representing the status of the tap change operation are associated with positions of the tap changer and the position range or time range for the tap change is subdivided into partial intervals for which characteristic values of the measurement are calculated by a calculating rule, e.g. averaging. These characteristic values are compared with stored parameter data and operation categories are established which are then used exclusively for the further information processing.

    摘要翻译: 一种监测分接开关的方法,其中表示抽头变换操作的状态的测量值与抽头变换器的位置相关联,并且抽头变化的位置范围或时间范围被分为部分间隔,测量的特征值 通过计算规则计算,例如 平均 将这些特征值与存储的参数数据进行比较,并建立操作类别,然后专门用于进一步的信息处理。